We should never have told people to take vitamins — and a new study shows why

Posted 30 December 2017

• Decades of research has failed to find substantial evidence that vitamins and supplements do any good — and some supplements may even be dangerous.
• A new study has found that vitamin D and calcium supplements may not protect against bone fractures in older adults.
• If you think you may need a supplement because of a deficiency, you should ask a doctor.

Decades of research, including a new study published in December in the Journal of the American Medical Association, has failed to find substantial evidence that vitamins and supplements do any significant good.

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